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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_OBJECTS_STACK_FRAME_INFO_H_
#define V8_OBJECTS_STACK_FRAME_INFO_H_
#include "src/objects/struct.h"
#include "torque-generated/bit-fields.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
class FrameArray;
class WasmInstanceObject;
#include "torque-generated/src/objects/stack-frame-info-tq.inc"
class StackFrameInfo
: public TorqueGeneratedStackFrameInfo<StackFrameInfo, Struct> {
public:
NEVER_READ_ONLY_SPACE
// Wasm frames only: function_offset instead of promise_combinator_index.
DECL_INT_ACCESSORS(function_offset)
DECL_BOOLEAN_ACCESSORS(is_eval)
DECL_BOOLEAN_ACCESSORS(is_constructor)
DECL_BOOLEAN_ACCESSORS(is_wasm)
DECL_BOOLEAN_ACCESSORS(is_asmjs_wasm)
DECL_BOOLEAN_ACCESSORS(is_user_java_script)
DECL_BOOLEAN_ACCESSORS(is_toplevel)
DECL_BOOLEAN_ACCESSORS(is_async)
DECL_BOOLEAN_ACCESSORS(is_promise_all)
DECL_BOOLEAN_ACCESSORS(is_promise_any)
// Dispatched behavior.
DECL_PRINTER(StackFrameInfo)
private:
// Bit position in the flag, from least significant bit position.
DEFINE_TORQUE_GENERATED_STACK_FRAME_INFO_FLAGS()
TQ_OBJECT_CONSTRUCTORS(StackFrameInfo)
};
// This class is used to lazily initialize a StackFrameInfo object from
// a FrameArray plus an index.
// The first time any of the Get* or Is* methods is called, a
// StackFrameInfo object is allocated and all necessary information
// retrieved.
class StackTraceFrame
: public TorqueGeneratedStackTraceFrame<StackTraceFrame, Struct> {
public:
NEVER_READ_ONLY_SPACE
// Dispatched behavior.
DECL_PRINTER(StackTraceFrame)
static int GetLineNumber(Handle<StackTraceFrame> frame);
static int GetOneBasedLineNumber(Handle<StackTraceFrame> frame);
static int GetColumnNumber(Handle<StackTraceFrame> frame);
static int GetOneBasedColumnNumber(Handle<StackTraceFrame> frame);
static int GetScriptId(Handle<StackTraceFrame> frame);
static int GetPromiseCombinatorIndex(Handle<StackTraceFrame> frame);
static int GetFunctionOffset(Handle<StackTraceFrame> frame);
static int GetWasmFunctionIndex(Handle<StackTraceFrame> frame);
static Handle<Object> GetFileName(Handle<StackTraceFrame> frame);
static Handle<Object> GetScriptNameOrSourceUrl(Handle<StackTraceFrame> frame);
static Handle<Object> GetFunctionName(Handle<StackTraceFrame> frame);
static Handle<Object> GetMethodName(Handle<StackTraceFrame> frame);
static Handle<Object> GetTypeName(Handle<StackTraceFrame> frame);
static Handle<Object> GetEvalOrigin(Handle<StackTraceFrame> frame);
static Handle<Object> GetWasmModuleName(Handle<StackTraceFrame> frame);
static Handle<WasmInstanceObject> GetWasmInstance(
Handle<StackTraceFrame> frame);
static bool IsEval(Handle<StackTraceFrame> frame);
static bool IsConstructor(Handle<StackTraceFrame> frame);
static bool IsWasm(Handle<StackTraceFrame> frame);
static bool IsAsmJsWasm(Handle<StackTraceFrame> frame);
static bool IsUserJavaScript(Handle<StackTraceFrame> frame);
static bool IsToplevel(Handle<StackTraceFrame> frame);
static bool IsAsync(Handle<StackTraceFrame> frame);
static bool IsPromiseAll(Handle<StackTraceFrame> frame);
static bool IsPromiseAny(Handle<StackTraceFrame> frame);
private:
static Handle<StackFrameInfo> GetFrameInfo(Handle<StackTraceFrame> frame);
static void InitializeFrameInfo(Handle<StackTraceFrame> frame);
TQ_OBJECT_CONSTRUCTORS(StackTraceFrame)
};
// Small helper that retrieves the FrameArray from a stack-trace
// consisting of a FixedArray of StackTraceFrame objects.
// This helper is only temporary until all FrameArray use-sites have
// been converted to use StackTraceFrame and StackFrameInfo objects.
V8_EXPORT_PRIVATE
Handle<FrameArray> GetFrameArrayFromStackTrace(Isolate* isolate,
Handle<FixedArray> stack_trace);
class IncrementalStringBuilder;
void SerializeStackTraceFrame(Isolate* isolate, Handle<StackTraceFrame> frame,
IncrementalStringBuilder* builder);
V8_EXPORT_PRIVATE
MaybeHandle<String> SerializeStackTraceFrame(Isolate* isolate,
Handle<StackTraceFrame> frame);
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_STACK_FRAME_INFO_H_
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